Brembo fitment - what fits, what doesn't?
So I've got myself a set of front and rear Brembos off an STi. 
What can I use (I'm getting all four calipers, all four rotors, lines, pads, and some dogbones - I think they were going to go on a WRX) out of the lot, and what will I need to buy replacements of?
I know I will need new rear rotors, or change the handbrake shoe. Which is cheaper?

What can I use (I'm getting all four calipers, all four rotors, lines, pads, and some dogbones - I think they were going to go on a WRX) out of the lot, and what will I need to buy replacements of?
I know I will need new rear rotors, or change the handbrake shoe. Which is cheaper?